Earthquakes in Memphis, Tenn.

Earthquakes in Memphis, Tenn.

Carlo Allegri/Getty Images

What you should know: The area is "where damaging earthquakes are only moderately likely, but the consequences of earthquakes, mainly from the New Madrid seismic zone, can be very high," writes the U.S. Geological Survey. Pictured: A couple hold hands on Beale Street, one of the city's tourist hot spots.

What you should know: The area is "where damaging earthquakes are only moderately likely, but the consequences of earthquakes, mainly from the New Madrid seismic zone, can be very high," writes the U.S. Geological Survey. Pictured: A couple hold hands on Beale Street, one of the city's tourist hot spots. (Carlo Allegri/Getty Images)

What you should know: The area is "where damaging earthquakes are only moderately likely, but the consequences of earthquakes, mainly from the New Madrid seismic zone, can be very high," writes the U.S. Geological Survey. Pictured: A couple hold hands on Beale Street, one of the city's tourist hot spots.